

********Wave 3-4 Fixed Effects Models*********

gen grtscaleS_3=grtscale_3
gen grtscaleS_4=grtscale_4
gen FNCdichotS_3=FNCdichot_3  
gen FNCdichotS_4=FNCdichot_4
gen FNCount34Z1S_3=FNCount34Z1_3  
gen FNCount34Z1S_4=FNCount34Z1_4 
gen ABCdichotS_3=ABCdichot_3  
gen ABCdichotS_4=ABCdichot_4
gen numberABCZ1S_3=numberABCZ1_3  
gen numberABCZ1S_4=numberABCZ1_4 
gen CBSdichotS_3=CBSdichot_3  
gen CBSdichotS_4=CBSdichot_4
gen CBScount34Z1S_3=CBScount34Z1_3  
gen CBScount34Z1S_4=CBScount34Z1_4 
gen NBCdichotS_3=NBCdichot_3  
gen NBCdichotS_4=NBCdichot_4
gen numberNBCZ1S_3=numberNBCZ1_3  
gen numberNBCZ1S_4=numberNBCZ1_4 
gen CNNdichotS_3=CNNdichot_3  
gen CNNdichotS_4=CNNdichot_4
gen CNNcount34Z1S_3=CNNcount34Z1_3  
gen CNNcount34Z1S_4=CNNcount34Z1_4  
gen MSNBCdichotS_3=MSNBCdichot_3  
gen MSNBCdichotS_4=MSNBCdichot_4
gen MSNBCount34Z1S_3=MSNBCount34Z1_3  
gen MSNBCount34Z1S_4=MSNBCount34Z1_4  
gen PBSdichotS_3=PBSdichot_3  
gen PBSdichotS_4=PBSdichot_4
gen PBScount34Z1S_3=PBScount34Z1_3  
gen PBScount34Z1S_4=PBScount34Z1_4  
gen ideoS_3=ideo_3
gen ideoS_4=ideo_4
gen pid7Z1S_3=pid7Z1_3
gen pid7Z1S_4=pid7Z1_4
gen educS_3=educ_3
gen educS_4=educ_4
gen incomeZ1S_3=incomeZ1_3
gen incomeZ1S_4=incomeZ1_4
gen fireS_3=fire_3
gen fireS_4=fire_4

reshape long grtscaleS_ FNCdichotS_ FNCount34Z1S_ ABCdichotS_ numberABCZ1S_ CBSdichotS_ CBScount34Z1S_ NBCdichotS_ numberNBCZ1S_ CNNdichotS_ CNNcount34Z1S_ MSNBCdichotS_ MSNBCount34Z1S_ PBSdichotS_ PBScount34Z1S_ ideoS_ pid7Z1S_ educS_ incomeZ1S_ fireS_, i(panelist_id) j(wave)

***Main Text, Table 4: Effects of Within-Person Change in Number of FNC Programs Viewed on Change in GRT, Wave 3-4***

*Model 1

xtreg grtscaleS_ FNCount34Z1S_ i.wave if whiteonly_3==1 & grtscale34==1, fe i(panelist_id)

*Model 2

xtreg grtscaleS_ FNCount34Z1S_ numberABCZ1S_ CBScount34Z1S_ numberNBCZ1S_ CNNcount34Z1S_ MSNBCount34Z1S_ PBScount34Z1S_ i.wave if whiteonly_3==1 & grtscale34==1, fe i(panelist_id)

*Model 3

xtreg grtscaleS_ FNCount34Z1S_ numberABCZ1S_ CBScount34Z1S_ numberNBCZ1S_ CNNcount34Z1S_ MSNBCount34Z1S_ PBScount34Z1S_ ideoS_ i.wave##c.ideo_3 pid7Z1S_ i.wave##c.pid7Z1_3 educS_ i.wave##c.educ_3 incomeZ1S_ i.wave##c.incomeZ1_3 i.wave##c.age_3 i.wave##c.male_3 i.wave##c.grtscale_3 if whiteonly_3==1 & grtscale34==1, fe i(panelist_id)

*Model 4

xtreg grtscaleS_ FNCount34Z1S_ numberABCZ1S_ CBScount34Z1S_ numberNBCZ1S_ CNNcount34Z1S_ MSNBCount34Z1S_ PBScount34Z1S_ ideoS_ pid7Z1S_ educS_ incomeZ1S_ i.wave##c.ideo_3 i.wave##c.pid7Z1_3 i.wave##c.age_3 i.wave##c.educ_3 i.wave##c.incomeZ1_3 i.wave##c.male_3 i.wave##c.grtscale_3 fireS_ i.wave##c.fire_3 if whiteonly_3==1 & grtscale34==1, fe i(panelist_id)

***SI 7: Effects of Within-Person Change in Dichotomous FNC on Change in Support for GRT, Wave 3-4*** 

*Model 1

xtreg grtscaleS_ i.wave FNCdichotS_ if whiteonly_3==1 & grtscale34==1, fe i(panelist_id)

*Model 2

xtreg grtscaleS_ i.wave FNCdichotS_ ABCdichotS_ CBSdichotS_ NBCdichotS_ CNNdichotS_ MSNBCdichotS_ PBSdichotS_ if whiteonly_3==1 & grtscale34==1, fe i(panelist_id)

*Model 3

xtreg grtscaleS_ i.wave FNCdichotS_ ABCdichotS_ CBSdichotS_ NBCdichotS_ CNNdichotS_ MSNBCdichotS_ PBSdichotS_ ideoS_ i.wave##c.ideo_3 pid7Z1S_ i.wave##c.pid7Z1_3 educS_ i.wave##c.educ_3 incomeZ1S_ i.wave##c.incomeZ1_3 i.wave##c.age_3 i.wave##c.male_3 i.wave##c.grtscale_3 if whiteonly_3==1 & grtscale34==1, fe i(panelist_id)

*Model 4

xtreg grtscaleS_ i.wave FNCdichotS_ ABCdichotS_ CBSdichotS_ NBCdichotS_ CNNdichotS_ MSNBCdichotS_ PBSdichotS_ ideoS_ i.wave##c.ideo_3 pid7Z1S_ i.wave##c.pid7Z1_3 educS_ i.wave##c.educ_3 incomeZ1S_ i.wave##c.incomeZ1_3 i.wave##c.age_3 i.wave##c.male_3 i.wave##c.grtscale_3 fireS_ i.wave##c.fire_3 if whiteonly_3==1 & grtscale34==1, fe i(panelist_id)
